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research article
Hall magnetometry on a ferromagnetic nanoring
We have integrated an individual nanostructured permalloy ring on a Hall sensor and studied the switching processes in a temperature regime between 4.2 and 90 K in in-plane magnetic fields. The nanoring has an outer diameter of 550 nm. In the ring with a small width of 125 nm we find a characteristic two-step switching process in the Hall traces. We show that the switching fields change if we vary the direction of the in-plane field or the temperature. We attribute this to lateral inhomogeneities in the nanoring.
Type
research article
Authors
Rolff, H
•
Pfützner, W
•
Heyn, Ch
•
Grundler, D
Publication date
2004
Publisher
Published in
Volume
272-276
Start page
1623
End page
1624
Peer reviewed
REVIEWED
EPFL units
Available on Infoscience
July 8, 2015
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